Tri-scooter



FIG. 1 is a perspective view of a tri-scooter

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown are included for the purpose of illustrating the unclaimed portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a tri-scooter, as shown and described. 